The role of three-dimensional reconstructions in understanding the intersegmental plane: an anatomical study of segment 6
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1 octobre 2020
- ISIDORE Id: 10670/1.ae97ef...
- hal: hal-04360609
- doi: 10.1093/ejcts/ezaa123
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info:eu-repo/semantics/altIdentifier/doi/10.1093/ejcts/ezaa123
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Matthieu Sarsam et al., « The role of three-dimensional reconstructions in understanding the intersegmental plane: an anatomical study of segment 6 », HALSHS : archive ouverte en Sciences de l’Homme et de la Société, ID : 10.1093/ejcts/ezaa123
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OBJECTIVES The identification of the intersegmental plane during lung segmentectomies remains a practical difficulty, notably with minimally invasive approaches. The intraoperative techniques are based on demarcating either the bronchial or the vascular territories. The goal of this study was to evaluate the use of 3-dimensional reconstructions in understanding the intersegmental plane of segment 6. METHODS Between March and September 2018, Synapse 3-dimensional programme was used to carry out bilateral venous, arterial and bronchial segmentations of segment 6. All computed tomography (CT) scans were contrast-enhanced and of a high resolution (0.6 mm slices). The patients had normal results on respiratory function tests. The volumes obtained from each of the 3 modalities were then compared. The results are presented as mean and standard deviation and as median and interquartile ranges for lung volume measurements. RESULTS During the aforementioned period, 15 high-resolution chest CT scans were selected (8 men and 7 women). The median age was 70 years. In all of the studied segments (N = 30, 15 right S6 and 15 left S6), the segmental volume of the vein was greater than the segmental volumes of the bronchus and the artery. A significant difference was found between the segmental volumes obtained from the 3 modalities (P = 0.001). The segmental volume of the vein was significantly higher than the segmental volume of the bronchus (P
